Siemens Sitrans LR200 Instruction Manual page 126

General Fault Codes (cont' d )
Code /
Meaning
Icon
S: 49
* EEPROM corrupt.
S: 50
* EEPROM corrupt.
S: 51
* EEPROM corrupt.
Fail-safe is activated. Possible causes:
1) hardware failure
S: 52
2) memory failure
3) Fail-safe LOE timer expired– possible
causes: faulty installation, antenna mate-
rial buildup, foaming/other adverse process
conditions, invalid calibration range.
Configuration lost: one or more parameter
S: 53
settings have been lost. This may occur
*
after a firmware upgrade causes user
parameters to be reset.
Page 118 SITRANS LR200 (HART) – INSTRUCTION MANUAL
Corrective Action
Repair required: contact your local Sie-
mens representative.
Repair required: contact your local Sie-
mens representative.
Repair required: contact your local Sie-
mens representative.
For 3):
• Correct configuration; ensure installation
is correct;
• no antenna buildup;
• adjust process conditions to minimize
foaming/other adverse conditions;
• correct calibration range.
If fault persists, or for 1) and 2), contact
your local Siemens representative.
Restore user parameters using SIMATIC
PDM.
7ML19985JP02